KMC Controls HPO 1512 Cover Its high temperature tolerance makes it Its high temperature tolerance makes it suitable for demanding environments where consistent air pressure regulation and damper positioning are non negotiable for system performance Engineered to replace obsolete part numbers RLY1002 and 100167473 The full window design ensures that critical temperature readings remain visible to facility managers while preventing unauthorized adjustments to the setpoint often utilized by HVAC mechanical contractors for maintaining system integrity in high traffic areas where environmental sensing accuracy and device security are paramount